| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.66 | 0.06 |
| Feb | 0.66 | 0.60 | 0.06 |
| Mar | 1.05 | 1.07 | -0.02 |
| Apr | 1.94 | 2.01 | -0.07 |
| May | 3.06 | 3.17 | -0.11 |
| Jun | 4.23 | 4.21 | 0.02 |
| Jul | 4.07 | 3.92 | 0.15 |
| Aug | 3.14 | 3.08 | 0.06 |
| Sep | 2.86 | 2.82 | 0.04 |
| Oct | 2.47 | 2.39 | 0.08 |
| Nov | 0.94 | 0.87 | 0.07 |
| Dec | 0.77 | 0.81 | -0.04 |
25.91 | 25.61 | 0.30 |